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Ubuntu 18.04 LTS USN-5821-4 Moderate: Python-Pip Regression Issue

ubuntu
Calendar Grey March 2, 2023
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On March 02, 2023, Ubuntu Security Notice USN-5821-4 was released, highlighting a regression in python-pip that affects various versions of Ubuntu.
USN-5821-3 caused a minor regression in pip.

Summary

USN-5821-3 caused a minor regression in pip.

Software Description:

- python-pip: Python package installer

Details:

USN-5821-3 fixed a vulnerability in pip. The update introduced

a minor regression in Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and

Ubuntu 18.04 LTS. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

 Sebastian Chnelik discovered that wheel incorrectly handled

 certain file names when validated against a regex expression.

 An attacker could possibly use this issue to cause a

 denial of service.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu regression fix python-pip

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
   python-pip                      9.0.1-2.3~ubuntu1.18.04.8
   python-pip-whl                  9.0.1-2.3~ubuntu1.18.04.8
   python3-pip                     9.0.1-2.3~ubuntu1.18.04.8

Ubuntu 16.04 ESM:
   python-pip                      8.1.1-2ubuntu0.6+esm5
   python-pip-whl                  8.1.1-2ubuntu0.6+esm5
   python3-pip                     8.1.1-2ubuntu0.6+esm5

Ubuntu 14.04 ESM:
   python-pip                      1.5.4-1ubuntu4+esm4
   python-pip-whl                  1.5.4-1ubuntu4+esm4
   python3-pip                     1.5.4-1ubuntu4+esm4

In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-5821-4

  https://ubuntu.com/security/notices/USN-5821-1

March 02, 2023

Topics%20covered

Topics Covered

security advisory denial of service ubuntu regression fix python-pip

Package Information

https://launchpad.net/ubuntu/+source/python-pip/9.0.1-2.3~ubuntu1.18.04.8

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